Thanks bigchap , snacker and hampdentech,

I was a bit confused for a moment cause i looked at a few web sites that described having used 2 servos but now its clear,and also i have been looking around at servos on ebay and other sites and found other servos that were not from multiplex at all different prices,,,,and i think i will give the trainer a go,,,,thanks for everything,,,,,i will let you know how it goes!!!! oh, and one more thing,,can anyone recommend a motor controller??
cheers!!